code: def chat_completion_with_backoff(**kwargs):
      """Call OpenAI's chat completion API with exponential backoff."""
      return client.chat.completions.create(**kwargs)
  
file_path: wandb/tools/pr-title-bot.py
imports: import argparse
  import os
  import sys
  from typing import Optional, Tuple
  from github import Github
  from openai import OpenAI
  from tenacity import retry, stop_after_attempt, wait_random_exponential
label_desc: Use image node_id 1 for calling a global function with example usage: chat_completion_with_backoff() and returns: client